﻿using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;

namespace ExcelHandler
{
    public interface IExcelExtract
    {
        /// <summary>
        /// 获取原始Excel数据，并且转化成DataTable
        /// </summary>
        /// <returns></returns>
        DataTable GetOriginalData();

        /// <summary>
        /// 从excel原始数据中抽取有用数据，并且以dataTable形式返回
        /// </summary>
        /// <returns></returns>
        DataTable ExtractData();
    }
}
